Method for transmitting data using HARQ

a data transmission and automatic repeating technology, applied in the field of wireless communication, can solve the problems of limiting the number of ues that can be processed in one data transmission frame, bs or the ue cannot even know whether related user data is transmitted, and the limit of the increase in the transfer rate of user data, so as to reduce the amount of radio resources required, the effect of effective use of resources
US20100215004A1Inactive Publication Date: 2010-08-26LG ELECTRONICS INC
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
LG ELECTRONICS INC
Publication Date
2010-08-26
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method for transmitting data using a hybrid automatic repeat request (HARQ) is provided. The method includes receiving scheduling information, the scheduling information comprising information regarding a radio resource; transmitting data by using the radio resource; and retransmitting the data or transmitting new data by reusing the radio resource if a received scheduling change indicator indicates that the radio resource is reused. The scheduling change indicator is control information different from the scheduling information. Resources can be effectively used by decreasing an amount of radio resources required for scheduling information.
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Description

TECHNICAL FIELD

[0001] The present invention relates to wireless communications, and more particularly, to a method for transmitting data using a hybrid automatic repeat request (HARQ).BACKGROUND ART

[0002] In mobile communication systems, one base station (BS) generally provides services to a plurality of user equipments (UEs). The BS schedules user data on the plurality of UEs to transmit scheduling information to the UEs together with the user data. The scheduling information is control information regarding scheduling. A channel for carrying the control information is referred to as a control channel. A channel for carrying the user data is referred to as a data channel. The BS transmits the control information to each UE through a downlink control channel. Each UE finds control information of each UE by searching for the control channel, and processes data of each UE by using the control information.

[0003] The control information may have a variable size. That is, since different co...

Claims

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